What is the HCF and LCM of xy, x and y?

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%